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Platinum Iridium

Platinum-iridium is an alloy of the platinum group precious metals platinum and iridium.

Surepure Chemetals typically supplies alloy proportions of 90% platinum / 10% iridium and 80% platinum / 20% iridium. Surepure Chemetals sells platinum-iridium conforming to the ASTM B684 specification (including ASTM B 684-97).

These have the chemical stability of platinum, but increased hardness.

Due to its high density, hardness, and resistance to corrosion, platinum-iridium was used to make the international prototype kilogram and the international prototype meter.

One use for Pt/Ir alloy is fabrication of metal microelectrodes for electrical stimulation of nervous tissue and electrophysiological recordings. Pure iridium is very difficult to pull into small diameter wires, while pure platinum has a low Young's modulus which makes pure platinum wires bend easily during the insertion in nervous tissue; hence Pt/Ir alloy has an optimal combination of mechanical and electrochemical properties for this application.

Surepure Chemetals sells platinum iridium wire and platinum iridium sheet.

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The products below are representative of what we sell. If you don't find what you're looking for, please request a quote or contact us.

Buy Platinum Iridium Wire and Rod from Surepure Chemetals

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P/N	Purity	Diameter	Length	Price
11669	80 % Platinum, 20 % Iridium	0.0295 in. / 0.75 mm	5.51 in. / 140 mm x 15 pieces Rod, straight length(s)	$4,561.35
11670	80 % Platinum, 20 % Iridium	0.0295 in. / 0.75 mm	5.51 in. / 140 mm x 25 pieces Rod, straight length(s)	$7,230.00
11671	80 % Platinum, 20 % Iridium	0.0295 in. / 0.75 mm	5.51 in. / 140 mm x 50 pieces Rod, straight length(s)	$13,220.72
P/N	Purity	Diameter	Length	Price
9664	90 % Platinum, 10 % Iridium	0.030 in. / 0.762 mm	1.00 in. / 25.4 mm	$107.22
7173	90 % Platinum, 10 % Iridium	0.030 in. / 0.762 mm	6 in. / 0.5 ft. / 0.153 m	$332.90
10718	90 % Platinum, 10 % Iridium	0.030 in. / 0.762 mm	12 in. / 1 ft. / 0.305 m Rod, straight length	$596.40
7172	90 % Platinum, 10 % Iridium	0.030 in. / 0.762 mm	12 in. / 1 ft. / 0.305 m Wire, by coil	$576.40
12849	90 % Platinum, 10 % Iridium	0.030 in. / 0.762 mm	24 in. / 2 ft. / 0.610 m x 3 pieces	$2,447.29
7171	90 % Platinum, 10 % Iridium	0.030 in. / 0.762 mm	24 in. / 2 ft. / 0.610 m	$961.42
7170	90 % Platinum, 10 % Iridium	0.030 in. / 0.762 mm	3 ft. / 0.914 m	$1,285.20
7169	90 % Platinum, 10 % Iridium	0.030 in. / 0.762 mm	4 ft. / 1.22 m	$1,645.70
7168	90 % Platinum, 10 % Iridium	0.030 in. / 0.762 mm	5 ft. / 1.524 m	$2,027.19
12848	90 % Platinum, 10 % Iridium	0.030 in. / 0.762 mm	6 ft. / 1.829 m	$2,432.29
12490	90 % Platinum, 10 % Iridium	0.030 in. / 0.762 mm	7 ft. / 2.134 m Temper: Annealed (soft)	$2,751.56
3523	90 % Platinum, 10 % Iridium	0.030 in. / 0.762 mm	9 ft. / 2.743 m	$3,528.87
7167	90 % Platinum, 10 % Iridium	0.030 in. / 0.762 mm	10 ft. / 3.048 m	$3,817.12
7174	90 % Platinum, 10 % Iridium	0.030 in. / 0.762 mm	20 ft. / 6.096 m	$7,022.50
P/N	Purity	Diameter	Length	Price
11431	80 % Platinum, 20 % Iridium	0.030 in. / 0.762 mm	12 in. / 1 ft. / 0.305 m x 3 pieces Temper: Hard temper	$1,952.20
11432	80 % Platinum, 20 % Iridium	0.030 in. / 0.762 mm	12 in. / 1 ft. / 0.305 m x 4 pieces Temper: Hard temper	$2,518.60
P/N	Purity	Diameter	Length	Price
10963	90 % Platinum, 10 % Iridium	0.032 in. / 0.813 mm / 20 gauge	1.00 in. / 25.4 mm	$99.62

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